Effect of anodizing temperature on surface morphology evolution of sputtered hematite films: A potential post-treatment method for further photoelectrochemical performance enhancement

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Title:	Effect of anodizing temperature on surface morphology evolution of sputtered hematite films: A potential post-treatment method for further photoelectrochemical performance enhancement
Authors:	林景崎;Huang, Mao-Chia;Wang, TsingHai;Chang, Wen-Sheng;Wu, Ching-Chen;Lin, Jing-Chie;Lee, Cheng-Hsueh;Huang, Shih-Hsuan
Contributors:	工學院材料科學與工程研究所
Keywords:	Anodization;Anodizing;Anodizing temperature effect;Evolution;Hematite;Morphology;Nanostructure;Performance enhancement;Photoelectrochemical water splitting;Tin dioxide;Transformations;α-Fe2O3 nanostructures
Date:	2016-07-01
Issue Date:	2026-04-23 11:31:09 (UTC+8)
Publisher:	Elsevier Ltd.;Elsevier Ltd
Abstract:	摘要： In this study, effect of anodization temperature on the photoelectrochemical (PEC) performance of nanostructured hematite films prepared by anodizing the sputtered iron films on the fluorine-doped SnO2 glass substrate was investigated. It was noted that increasing the anodization temperature would induce the hematite nanostructure developing from film-like to nanorod morphology. Importantly, this morphology transformation is noted to accompany with the enhanced PEC performance up to 0.59 mA/cm2 (nanorod structured anodized at 60 °C). Our results clearly demonstrated that the potential of post-treatment using anodization to further enhance the PEC performance of hematite films. •α-Fe2O3 nanostructures were synthesized by sputtering process using electrochemical anodization.•Increasing anodizing temperature induce Fe2O3 structure from film to nanorods.•The potential post-treatment method of anodization can enhance the PEC performance of hematite. 出版者： Elsevier Ltd 出版日期： 2016-07-01 出處： Vacuum, 2016-07, Vol.129, p.111-114 版權： 2016 Elsevier Ltd 識別號： ISSN: 0042-207X 識別號： EISSN: 1879-2715 識別號： DOI: 10.1016/j.vacuum.2016.04.021
Appears in Collections:	[Institute of Materials Science and Engineering] journal & Dissertation

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